Intel Atom E3826 vs Intel Atom Z3785

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CPU comparison with benchmarks


Intel Atom E3826 CPU1 vs CPU2 Intel Atom Z3785
Intel Atom E3826 Intel Atom Z3785

CPU comparison

Intel Atom E3826 or Intel Atom Z3785 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Atom E3826 has 2 cores with 2 threads and clocks with a maximum frequency of 1.46 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Intel Atom E3826 was released in Q4/2013.

The Intel Atom Z3785 has 4 cores with 4 threads and clocks with a maximum frequency of 2.41 GHz. The CPU supports up to 4 GB of memory in 2 memory channels. The Intel Atom Z3785 was released in Q2/2014.
Intel Atom (108) Family Intel Atom (108)
Intel Atom E3800 (6) CPU group Intel Atom Z3700 (16)
4 Generation 4
Bay Trail Architecture Bay Trail
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom E3826 is a 2 core processor with a clock frequency of 1.46 GHz. The Intel Atom Z3785 has 4 CPU cores with a clock frequency of 1.49 GHz (2.41 GHz).

Intel Atom E3826 Characteristic Intel Atom Z3785
2 Cores 4
2 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
1.46 GHz Frequency 1.49 GHz
-- Turbo Frequency (1 Core) 2.41 GHz
-- Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Atom E3826 Characteristic Intel Atom Z3785
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Intel HD Graphics (Bay Trail GT1) GPU Intel HD Graphics (Bay Trail GT1)
0.53 GHz GPU frequency 0.31 GHz
0.67 GHz GPU (Turbo) 0.83 GHz
7 GPU Generation 7
22 nm Technology 22 nm
2 Max. displays 2
4 Compute units 4
32 Shader 32
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
11.2 DirectX Version 11.2

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel HD Graphics (Bay Trail GT1) GPU Intel HD Graphics (Bay Trail GT1)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode

Memory & PCIe

The Intel Atom E3826 supports a maximum of 8 GB of memory in 2 memory channels. The Intel Atom Z3785 can connect up to 4 GB of memory in 2 memory channels.

Intel Atom E3826 Characteristic Intel Atom Z3785
DDR3L-1066 Memory LPDDR3-1333
8 GB Max. Memory 4 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
17.1 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
1.00 MB L3 Cache 2.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom E3826 has a TDP of 7 W, that of the Intel Atom Z3785 is 4 W.

Intel Atom E3826 Characteristic Intel Atom Z3785
7 W TDP (PL1 / PBP) 4 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 90 °C

Technical details

The Intel Atom E3826 has a 1.00 MB cache, while the Intel Atom Z3785 cache has a total of 2.00 MB.

Intel Atom E3826 Characteristic Intel Atom Z3785
22 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2
BGA 1170 Socket BGA 1380
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Operating systems
Q4/2013 Release date Q2/2014
-- Release price --
show more data show more data


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iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Atom E3826 Intel Atom E3826
Intel HD Graphics (Bay Trail GT1) @ 0.67 GHz
43 (80%)
Intel Atom Z3785 Intel Atom Z3785
Intel HD Graphics (Bay Trail GT1) @ 0.83 GHz
53 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Atom E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
134 (100%)
Intel Atom Z3785 Intel Atom Z3785
4C 4T @ 2.41 GHz
0 (0%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Atom E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
262 (100%)
Intel Atom Z3785 Intel Atom Z3785
4C 4T @ 1.49 GHz
0 (0%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Atom E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
304 (100%)
Intel Atom Z3785 Intel Atom Z3785
4C 4T @ 1.49 GHz
0 (0%)

Devices using this processor

Intel Atom E3826 Intel Atom Z3785
Unknown Unknown

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